Hungarian Dance No. 1, WoO 1

Recording by Johannes Brahms.

Recording identifiers

ISRC
NLY331109612
CopyrightID (CopyrightChains transaction hash)
0xe5c89d06b342cfaf25ee22907dab7614f213f367e4122c9b078826dd2fc504f5
Copyright registration time
2026-07-07T03:13:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:43faf632ad30f79addd14f50335c582d656ef8d1c3a71b6334e2cff16a050723

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.